<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .d{
            display: flex;
            width: 1226px; 
            height: 614px;
        }
        .d2{
            width: 978px;
            height: 300px;
            margin-top: 14px;
            margin-bottom: 14px;
            margin-left: 14px;
            margin-right: 14px;
            display: flex;
        }
        .d3{
            width: 234px;
            height: 614px;
            border-radius: 0%;
            background-color: rgb(255, 0, 0);
            margin-top: 14px;
            margin-bottom: 14px;
            margin-left: 14px;
            margin-right: 14px;
        }
        .d1{
            width: 234px;
            height: 300px;
            border-radius: 0%;
            background-color: aqua;
            margin-top: 14px;
            margin-bottom: 14px;
            margin-left: 14px;
            margin-right: 14px;
        }
    </style>
</head>
<body>
                
    <div class="d">
        <div class="d3"></div>
        
        <div>
        <div class="d2">
            <div class="d1"></div>
            <div class="d1"></div>
            <div class="d1"></div>
            <div class="d1"></div>
        </div>

        <div class="d2">
            <div class="d1"></div>
            <div class="d1"></div>
            <div class="d1"></div>
            <div class="d1"></div>
        </div>
        </div>
    </div>
</body>
<ml>